contrib/dumprevlog
author Manuel Jacob <me@manueljacob.de>
Mon, 06 Jul 2020 17:44:25 +0200
changeset 45055 4c1b4805db57
parent 43659 99e231afc29c
child 45830 c102b704edb5
permissions -rwxr-xr-x
pycompat: change users of pycompat.{stdin,stdout,stderr} to use procutil.std* On Python 3, pycompat.{stdin,stdout,stderr} are usually block-buffered even if connected to a TTY. procutil.{stdin,stdout,stderr} provide consistent behavior across platforms and Python versions.
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#!/usr/bin/env python
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# Dump revlogs as raw data stream
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# $ find .hg/store/ -name "*.i" | xargs dumprevlog > repo.dump
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from __future__ import absolute_import, print_function
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import sys
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from mercurial import (
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    encoding,
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    node,
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    pycompat,
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    revlog,
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)
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from mercurial.utils import procutil
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for fp in (sys.stdin, sys.stdout, sys.stderr):
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    procutil.setbinary(fp)
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def binopen(path, mode=b'rb'):
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    if b'b' not in mode:
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        mode = mode + b'b'
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    return open(path, pycompat.sysstr(mode))
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binopen.options = {}
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def printb(data, end=b'\n'):
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    sys.stdout.flush()
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    procutil.stdout.write(data + end)
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for f in sys.argv[1:]:
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    r = revlog.revlog(binopen, encoding.strtolocal(f))
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    print("file:", f)
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    for i in r:
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        n = r.node(i)
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        p = r.parents(n)
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        d = r.revision(n)
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        printb(b"node: %s" % node.hex(n))
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        printb(b"linkrev: %d" % r.linkrev(i))
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        printb(b"parents: %s %s" % (node.hex(p[0]), node.hex(p[1])))
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        printb(b"length: %d" % len(d))
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        printb(b"-start-")
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        printb(d)
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        printb(b"-end-")